The First Spell Is an Easy Trap: Super Doctor K-Ko and Hongo have devised traps that end up trapping Pachira, Liru, and Aiko. Thus, Uma ends up coming to the rescue.
The Afternoon Special Is a Red Cap: Upon learning about mail, Uma tries to build a mailbox with Aiko's help so that the girls can receive mail. Then the next part involves trying to get the mailman on their route to give them mail.